The Tic-tac-toe hole will go live in approximately . Why not try and solve it ahead of time?

Recent Solutions

Hole Golfer Bytes Submitted
Hexdump Shanethegamer 💎 226
Prime Numbers (Long) CaedenHarper 90
Fibonacci CaedenHarper 141
Tongue-twisters CaedenHarper 530
Ascending Primes CaedenHarper 519
Gijswijt’s Sequence CaedenHarper 2,007
Emirp Numbers (Long) CaedenHarper 1,163
Sierpiński Triangle CaedenHarper 561
Diamonds CaedenHarper 1,110
Leyland Numbers CaedenHarper 893
Niven Numbers (Long) CaedenHarper 7,445
Pascal’s Triangle CaedenHarper 776
Evil Numbers (Long) CaedenHarper 1,957
Pernicious Numbers (Long) CaedenHarper 20,669
Recamán CaedenHarper 904
Collatz CaedenHarper 3,233
Van Eck Sequence CaedenHarper 2,562
Odious Numbers (Long) CaedenHarper 1,952
Leap Years CaedenHarper 737
Divisors CaedenHarper 1,173
Abundant Numbers (Long) CaedenHarper 971
Niven Numbers CaedenHarper 98
Foo Fizz Buzz Bar CaedenHarper 5,726
Inventory Sequence CaedenHarper 2,630
Prime Numbers CaedenHarper 78
Evil Numbers CaedenHarper 77
Odious Numbers CaedenHarper 80
Lucky Numbers CaedenHarper 4,827
Pernicious Numbers CaedenHarper 107
Smith Numbers CaedenHarper 1,831
Arithmetic Numbers CaedenHarper 37,649
Happy Numbers CaedenHarper 114
12 Days of Christmas CaedenHarper 2,376
Emirp Numbers CaedenHarper 143
Happy Numbers (Long) CaedenHarper 559
Christmas Trees CaedenHarper 552
Kolakoski Sequence CaedenHarper 2,007
Vampire Numbers CaedenHarper 1,078
Look and Say CaedenHarper 1,286
Abundant Numbers CaedenHarper 170
Kaprekar Numbers CaedenHarper 🥉 447
Farey Sequence CaedenHarper 4,361
Number Spiral CaedenHarper 307
99 Bottles of Beer CaedenHarper 11,892
Cubes CaedenHarper 4,108
Rule 110 CaedenHarper 15,859
N Queens CaedenHarper 🥉 1,253
24 Game CaedenHarper 12,439
Polyominoes CaedenHarper 3,571
ASCII Table CaedenHarper 284
Catalan Numbers CaedenHarper 2,879
ROT13 SirBogman 🥈 108
λ JunkIce 1,043
Smith Numbers Shanethegamer 💎 140
Rijndael S-box CaedenHarper 775
𝑒 CaedenHarper 1,010
√2 CaedenHarper 1,010
φ CaedenHarper 1,010
τ CaedenHarper 1,010
π CaedenHarper 1,010
λ CaedenHarper 1,010
γ CaedenHarper 1,010
ln 2 CaedenHarper 1,010
Kolakoski Constant CaedenHarper 1,010
Factorial Factorisation CaedenHarper 869
Catalan’s Constant CaedenHarper 1,010
Kolakoski Sequence Shanethegamer 💎 72
Tic-tac-toe Shanethegamer 162
United States dokutan 1,226
𝑒 madeforlosers 1,010
Hexagonal Spiral Shanethegamer 1,143
Tutorial duckyluuk 117
Proximity Grid Shanethegamer 💎 221
ROT13 JDiLenarda 177
Mandelbrot Shanethegamer 10,011